STMicroelectronics

LM237K

LM237K Description

The LM237K is a high-performance, adjustable linear regulator designed for negative output voltage applications. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a Through Hole package. The LM237K offers a maximum input voltage of 40V and can deliver up to 1.5A of output current. Despite its Obsolete product status, it remains a reliable choice for applications requiring a robust and precise negative voltage regulation.

LM237K Features

• Adjustable Output Type: The LM237K features an adjustable output voltage, allowing users to fine-tune the output to meet specific application requirements.
• High Input Voltage Range: With a maximum input voltage of 40V, the regulator can operate in a wide range of voltage conditions, making it versatile for various power supply designs.
• High Output Current Capability: The regulator can deliver up to 1.5A of output current, ensuring it can handle demanding load requirements.
• Negative Output Configuration: Designed specifically for negative voltage applications, the LM237K provides a stable and reliable negative output voltage.
• Protection Features: The device includes over-temperature and short-circuit protection, enhancing its reliability and safety in critical applications.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 77dB to 60dB at 120Hz, ensuring minimal noise and ripple on the output voltage.
• Compliance and Packaging: The LM237K is RE unaffectedACH and ROHS3 compliant, meeting stringent environmental regulations. It is available in bulk packaging, suitable for large-scale production.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device is highly resistant to moisture, ensuring long-term reliability in various environmental conditions.

LM237K Applications

The LM237K is ideal for a variety of applications that require precise negative voltage regulation. Some specific use cases include:

• Power Supply Units: The regulator's high input voltage range and high output current capability make it suitable for power supply units in industrial and commercial applications.
• Telecommunications Equipment: The device's robustness and high PSRR make it ideal for sensitive telecommunications equipment where noise and ripple need to be minimized.
• Medical Devices: The over-temperature and short-circuit protection features ensure the reliability and safety required in medical equipment.
• Automotive Electronics: The LM237K's wide operating voltage range and high current output make it suitable for automotive applications where reliable power management is crucial.

Conclusion of LM237K

The LM237K, manufactured by STMicroelectronics, is a versatile and reliable linear regulator designed for negative voltage applications. Its adjustable output voltage, high input voltage range, and high output current capability make it suitable for a wide range of applications. The inclusion of over-temperature and short-circuit protection features enhances its reliability and safety. Despite its Obsolete status, the LM237K remains a robust choice for applications requiring precise negative voltage regulation. Its compliance with environmental regulations and high moisture sensitivity level further ensure its suitability for long-term use in various environments.